***CONSTRUCTION IN PROGRESS***

How to register a remote phone

There are 3 different ways to register a remote phone.

Register the phone through a VPN

Establish a VPN between the phone/softphone and the IPBrick;
Register the phone with the necessary data (account, password, IPBrick's IP, etc.).

Create a certificate on IPBrick (Advanced Configurations » Telephony » TLS Management);
Configure the phone on IPBrick as Remote (IPBrick.GT » Phones Management » Phone);
Place the phone on an access class (IPBrick.GT » Functions » Outbound » Access class);
Introduce the certificate on its respective phone and proceed with the usual register.

Note: Not all phones have the option to introduce a TLS certificate.

Configure the phone on IPBrick as Remote (IPBrick.GT » Phones Management » Phone);
Place the phone on an access class (IPBrick.GT » Functions » Outbound » Access class);
Create a rule on a firewall allowing traffic just for the phone's public IP.

Note: This last step is extremely important in which concerns to security issues.